关于切换开关按钮的问题

Question

I am trying to create a custom switch system at this Demo with below code.

Both #left and #right are functioning perfectly but I have some issues on #sw which is supposed to toggle to left or right. If user selected then click on this must shows left and switch button and so on

 <div class="switchbox">
    <div class="btn-group switch">
        <button type="button" class="btn btn-default" id="left">Left</button>
        <button type="button" class="btn btn-default" id="sw">Switch</button>
        <button type="button" class="btn btn-default" id="right">Right</button>
    </div>
</div>  

And here is the Javascript:

var scrollWidth = 49;
var scrollWidthsw = 49;
var pos = 0;
$("p").html(pos);
$("#left").on("click", function () {
    $(".switch").animate({
        left: '-=' + scrollWidth
    }, 300);
    pos = pos - scrollWidth;
    $("p").html(pos);
});
$("#right").on("click", function () {
    $(".switch").animate({
        left: '+=' + scrollWidth
    }, 300);
    pos = pos + scrollWidth;
    $("p").html(pos);

});

$("#sw").on("click", function () {

    if (pos == 0) {
        pos = pos + scrollWidth;
        $(".switch").animate({
            left: '-=' + scrollWidthsw
        }, 300);
    } else {
        $(".switch").animate({
            left: '+=' + scrollWidthsw
        }, 300);
    }
});

Can you please let me know how to fix this?

Answer 1

Please check this updated fiddle .

I have added an extra variable toggle to store the current toggling position. Is that ok?